5639920 has 160 divisors (see below), whose sum is σ = 16873920. Its totient is φ = 1720320.

The previous prime is 5639867. The next prime is 5639927. The reversal of 5639920 is 299365.

5639920 = T₁₂₁ + T₁₂₂ + ... + T₃₂₈.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194466 + ... + 194494.

It is an arithmetic number, because the mean of its divisors is an integer number (105462).

Almost surely, 2^5639920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5639920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8436960).

5639920 is an abundant number, since it is smaller than the sum of its proper divisors (11234000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5639920 is a wasteful number, since it uses less digits than its factorization.

5639920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 5639920 is about 2374.8515743094. The cubic root of 5639920 is about 178.0017674361.

The spelling of 5639920 in words is "five million, six hundred thirty-nine thousand, nine hundred twenty".